The practice of paying back money to large companies who funded the railroad (assuming you meant railroad).
There was a 20% chance that you would be employed as a prostitute if you were a woman in the "Old American West”.
In the Old American West, the mining population was composed of 95% young and male people so a high demand during that time was female companionship. Saloons also doubled as a brothel during this time.
Answer:
B
Explanation: the underground railroad was there to help the slaves escape to freedom. They only traveled at night and stayed at people who supported them being free´s homes. Most people did not care if they got caught because no matter what they did they would get in trouble.
The correct answer is Malaria
Malaria was a huge problem since it couldn't be treated and people mostly died from it. It prevented numerous explorers from venturing into places like Africa where Malaria was running rampant due to the huge amount of mosquitoes. When it was discovered, it enabled numerous people to live at ease because they could not live with the disease or prevent getting it.